public class Exer3_8_11 {
    public static void main(String[] args) {
        int i = 1;
        int count = 0;
        while (i < 10000) {
            if (i % 9 == 0) {
                System.out.print(i + "，");
                count++;
                if (count % 20 == 0) {
                    System.out.print("\n");
                }
            }
            i++;
        }

    }
}
